diff options
| -rw-r--r-- | arch/ia64/hp/sim/simeth.c | 6 | ||||
| -rw-r--r-- | arch/ia64/hp/sim/simserial.c | 7 | ||||
| -rw-r--r-- | arch/ia64/kernel/iosapic.c | 13 | ||||
| -rw-r--r-- | arch/ia64/kernel/irq_ia64.c | 15 | ||||
| -rw-r--r-- | include/asm-ia64/hw_irq.h | 1 |
5 files changed, 20 insertions, 22 deletions
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c index ae84a1018a89..0639ec0ed015 100644 --- a/arch/ia64/hp/sim/simeth.c +++ b/arch/ia64/hp/sim/simeth.c @@ -191,7 +191,7 @@ simeth_probe1(void) unsigned char mac_addr[ETH_ALEN]; struct simeth_local *local; struct net_device *dev; - int fd, i, err; + int fd, i, err, rc; /* * XXX Fix me @@ -228,7 +228,9 @@ simeth_probe1(void) return err; } - dev->irq = assign_irq_vector(AUTO_ASSIGN); + if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0) + panic("%s: out of interrupt vectors!\n", __FUNCTION__); + dev->irq = rc; /* * attach the interrupt in the simulator, this does enable interrupts diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index 7a8ae0f4b387..7dcb8582ae0d 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -982,7 +982,7 @@ static struct tty_operations hp_ops = { static int __init simrs_init (void) { - int i; + int i, rc; struct serial_state *state; if (!ia64_platform_is("hpsim")) @@ -1017,7 +1017,10 @@ simrs_init (void) if (state->type == PORT_UNKNOWN) continue; if (!state->irq) { - state->irq = assign_irq_vector(AUTO_ASSIGN); + if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0) + panic("%s: out of interrupt vectors!\n", + __FUNCTION__); + state->irq = rc; ia64_ssc_connect_irq(KEYBOARD_INTR, state->irq); } diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index c170be095ccd..7936b62f7a2e 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -489,8 +489,6 @@ static int iosapic_find_sharable_vector (unsigned long trigger, unsigned long po } } } - if (vector < 0) - panic("%s: out of interrupt vectors!\n", __FUNCTION__); return vector; } @@ -506,6 +504,8 @@ iosapic_reassign_vector (int vector) if (!list_empty(&iosapic_intr_info[vector].rtes)) { new_vector = assign_irq_vector(AUTO_ASSIGN); + if (new_vector < 0) + panic("%s: out of interrupt vectors!\n", __FUNCTION__); printk(KERN_INFO "Reassigning vector %d to %d\n", vector, new_vector); memcpy(&iosapic_intr_info[new_vector], &iosapic_intr_info[vector], sizeof(struct iosapic_intr_info)); @@ -734,9 +734,12 @@ again: spin_unlock_irqrestore(&iosapic_lock, flags); /* If vector is running out, we try to find a sharable vector */ - vector = assign_irq_vector_nopanic(AUTO_ASSIGN); - if (vector < 0) + vector = assign_irq_vector(AUTO_ASSIGN); + if (vector < 0) { vector = iosapic_find_sharable_vector(trigger, polarity); + if (vector < 0) + panic("%s: out of interrupt vectors!\n", __FUNCTION__); + } spin_lock_irqsave(&irq_descp(vector)->lock, flags); spin_lock(&iosapic_lock); @@ -884,6 +887,8 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, break; case ACPI_INTERRUPT_INIT: vector = assign_irq_vector(AUTO_ASSIGN); + if (vector < 0) + panic("%s: out of interrupt vectors!\n", __FUNCTION__); delivery = IOSAPIC_INIT; break; case ACPI_INTERRUPT_CPEI: diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 4fe60c7a2e90..6c4d59fd0364 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -63,30 +63,19 @@ EXPORT_SYMBOL(isa_irq_to_vector_map); static unsigned long ia64_vector_mask[BITS_TO_LONGS(IA64_NUM_DEVICE_VECTORS)]; int -assign_irq_vector_nopanic (int irq) +assign_irq_vector (int irq) { int pos, vector; again: pos = find_first_zero_bit(ia64_vector_mask, IA64_NUM_DEVICE_VECTORS); vector = IA64_FIRST_DEVICE_VECTOR + pos; if (vector > IA64_LAST_DEVICE_VECTOR) - return -1; + return -ENOSPC; if (test_and_set_bit(pos, ia64_vector_mask)) goto again; return vector; } -int -assign_irq_vector (int irq) -{ - int vector = assign_irq_vector_nopanic(irq); - - if (vector < 0) - panic("assign_irq_vector: out of interrupt vectors!"); - - return vector; -} - void free_irq_vector (int vector) { diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h index cd4e06b74ab6..041ab8c51a64 100644 --- a/include/asm-ia64/hw_irq.h +++ b/include/asm-ia64/hw_irq.h @@ -81,7 +81,6 @@ extern __u8 isa_irq_to_vector_map[16]; extern struct hw_interrupt_type irq_type_ia64_lsapic; /* CPU-internal interrupt controller */ -extern int assign_irq_vector_nopanic (int irq); /* allocate a free vector without panic */ extern int assign_irq_vector (int irq); /* allocate a free vector */ extern void free_irq_vector (int vector); extern void ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect); |
